PRODUCTS
What is a Safety Public Address System?
These products are Long Range Acoustic Hailing Devices for Safety Public Address. Eltem's unique and innovative technology allows clear announcement and warning broadcast to be transmitted to long distances (1km) for traffic control and accident prevention in highway construction and accident areas. There are various products depending on utilization.
Acoustic Hailing Device for Tunnel Broadcasting PROPA-250CT
Safety Broadcasting System for Tunnel with Military Long Range Acoustic Hailing Device Technology
Superior directivity
Perfect waterproof
Outstanding durability
Timer operation by software
Superior Voice Intelligibility and Highly clear communication up to 1km
Sunlight Corrosion Resistant & Flame Retardant Horn speaker
Control multiple speakers over the network
Simultaneous broadcasting / delayed broadcasting
|
|
The speaker installed in the tunnel
|
Speaker Specifications
Max. SPL
142dB@1m Front, Peak
Directivity
±15°(1kHz Sine, -3dB)
Frequency
600Hz ~ 10kHz(-10dB)
Power
12VDC /24VDC
Unit
250W(Max. 300W), Neodymium Magnet
Size
250×330×280mm
Weight
9.35kg
| Max. SPL | 142dB@1m Front, Peak |
| Directivity | ±15°(1kHz Sine, -3dB) |
| Frequency | 600Hz ~ 10kHz(-10dB) |
| Power | 12VDC /24VDC |
| Unit | 250W(Max. 300W), Neodymium Magnet |
| Size | 250×330×280mm |
| Weight | 9.35kg |
Speaker Control Program
* Functions of Speaker Control Program
|
Speaker Wiring Diagram
Disater Relief Notification, Eavacuation Broadcasting, Emergency Communication
Illegal fishing warning, No Swimming on the Beach, Military Access control
Military training control, Maritime, Wildlife & Asset Protection
Traffic Control, Prevention of Secondary Accident, Traffic Accidents and Foggy Broadcasting, Emergency Evacuation Broadcast
